BURNER WITH ROTATABLE HEAD FOR ELECTRIC ARC WELDING WITH NON-CONSUMABLE ELECTRODE UNDER SHIELDING GASES

摘要

The burner comprises a head (1) and two current-feeding tubes (3) mounted by their ends in a casing (7) of the burner. The current-feeding tubes (3) are connected to the head (1) by means of caps (5) fixed to the other ends of the tubes (3) and turned towards each other. The caps (5) are introduced in openings (2) in the head (1) which have a form corresponding to that of the external surface of the caps (5). The caps (5) are provided with through-channels (10) by means of which the internal cavity of the head (1) is connected to the internal cavities of the current-feeding tubes (3).